There are times when people are so tired that they fall asleep almost anywhere. We can see

There are times when people are so tired that they fall asleep almost anywhere. We can see there is a lot of sleeping on the bus or train on the way home from work in the evenings. A man     1    (fold) the newspaper, and seconds later,     2     appears as if he is trying to eat it. Or he will fall asleep on the shoulder of the stranger     3     (sit) next to him. Another place where unplanned short sleep goes on is in the lecture hall      4     a student will start snoring（打鼾）so     5    (loud) that the professor has to ask another student to keep the sleeper awake.     6     more embarrassing situation occurs when a student starts falling into sleep and the weight of the head pushes the arm off the desk, and the     7     (move) carries the rest of the body along. The student wakes up on the floor     8     no memory of getting there. The worst time to fall asleep is when driving. Police reports are full of accidents that occur when people fall into sleep and go     9     the road. If the drivers are lucky, they are not seriously hurt. When people are really tired, _10     will stop them from falling asleep ---- wherever they are.1. will be folding/will fold;   2. it;  3. sitting;     4. where;       5. loudly;